Calculate the amount of heat released
Calculate the amount of heat released when 50g of steam at 100 degrees celsius hits the skin, condenses, and cools to a body temp of 37 degrees celsius.
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24.6 ml volume of HCl solution reacts completely with a solid sample of magnesium carbonate, producing 183 ml of gaseous product (there is only one gaseous product from the reaction). The gaseous product is collected over water at 24.0C and 738 to
If I have 7.0 moles of gas at a pressure of 0.10 atm and at a temperature of 50.1 degrees C in a balloon, what is the volume of the balloon? (Round to one decimal place.)
If the activation energy is 210 Kj/mol, calculate the arrhenius preexpnential factor and determine the rate constant at 600 K.
if 100 mL of 0.100 M NaCl is added to 100 mL of .01 M NaCl, what is the concentration of Na ions in the final solution?"
Strawberries contain about 15 wt% solids and 85 wt% water. To make strawberry jam, crushed strawberries and sugar are mixed in a 45:55 mass ratio, and the mixture is heated to evaporate water until the residue contains one-third water by mass. Cal
Electrolysis of molten NaCl in a Downs cell is the major isolation step in the production of sodium metal. Suppose 250. g of Na metal is formed. How many coulombs are required?
Microwave ovens use microwave radiation to heat food. How many photons are required to heat 200. mL of coffee from 19°C to 64°C?
Sample of aluminum chloride increased in temperature by 3.5 K when the sample absorbed 167 J of energy. Calculate the number of moles of aluminum chloride in the sample. the C for aluminum chloride is 92 J/mol*K.
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